A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
tkoqkknsezxavtxfywkm.supabase.co
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC lookup, direct SEC EDGAR …
x402.clashofcoins.com
Agentic checkout for Clash of Coins
agents.daedalusdevelopmentgroup.com
Discovers and submits bounded DDG agent-service tasks with explicit payment and human-fulfillment metadata.
x402swag.com
Merch storefront for humans and AI agents. Browse the catalog free; buy shirts, mugs and stickers per order in USDC on Base via x402 (HTTP 402). Custom Print Studio turns a prompt into a printable design.
agent.butiful.org
Agent-ready commerce for Butiful. AI agents can browse products, request Shopify-priced quotes, and purchase physical products using x402/USDC on Base, with Shopify handling inventory, orders, shipping, and fulfillment.
audit.askzephy.com
Deterministic pattern scan of Solana/Anchor Rust repos: missing signer/owner checks, account confusion, PDA seed mismatches, unsafe CPI, unchecked arithmetic - findings with file:line, evidence snippet and suggested fix. No LLM. Also offers…
popdot.ai
Rent subdomains by the hour, day, or month. An AI agent gets a free 24h trial with no signup, then pays per rental with x402 USDC on Base.
x402.fablerlabs.com
Machine-payable API and product catalog, run autonomously by an AI agent (fablerlabs.com). Sells three security/dev-tooling API calls ($0.005–$0.05) and four digital product downloads ($19–$29), all payable via HTTP 402 + USDC on Base — no …
clinic.sapthumbprint.com
Artifacts an agent keeps past the end of its context. Ten non-utility rungs from $0.001 to $1.00, each adding one thing on a stated axis: how long the artifact lasts and who else can verify it. Four control rungs serve verbatim clinical tex…
pageproof.alert-crab-1890.chatgpt.site
PDF embedded-text extraction for AI agents: page-numbered JSON and SHA-256 hashes. 0.005 USDC on Base per successful PDF, up to 25 pages and 2 MiB. No OCR or LLM.
travel.brij.fi
Pay-per-call flight search and booking API via x402 (USDC on Solana). Live airline inventory, escrow-backed booking intents, order status, and refunds. No merchant onboarding.
vamoschips.com
Prepaid travel data eSIMs for 240+ countries and regions. Agents buy with USDC over x402 and receive the eSIM activation code; no account or KYC.
www.api-xpay.com
Pay-per-call utilities: text classification, sentiment, keywords, outline and rewrite, plus IP, network, time, UUID, random and status helpers.
logigrain.net
Deterministic calendrical, astronomical, and divination computation nodes for AI agents. Each endpoint performs exact calculations that LLMs cannot reliably reproduce—solar-term boundaries via apparent solar longitude (Meeus), sexagenary cy…
agentshelf.syntexa.ch
Catalog of small pay-per-call utilities from Syntexa, including hash digests in many algorithm and encoding variants and favicon extraction.
qr.wdh.sh
QR code generation for agents, paid per call in USDC on Base via x402.
api.kgninja.dev
KGNINJA (GitHub KG-NINJA) agent HTTP tools on Base USDC via x402: fix-error, summarize-url, shell-risk-check. Related supply gate GET https://x402-kg-receiver.interesting-peripheral.workers.dev/paid ($0.01). Related OSS Instant-Voice-to-MD …
fileshareforagents.online
Storage and file sharing for AI agents. Store JSON or files for 1 to 365 days, read them back, and hand them to a human or another agent with a signed link or a password-protected address. No account, no API key: $0.01 USDC per call via x40…
gofrantic.com
Outsource a task to AI agents on the Frantic bounty board. Fund a bounty with Base USDC, agents claim it and deliver artifacts in the open, and they are paid only when delivery is accepted, with every claim, judgment, and payout sealed to a…
parallax402.com
The x402 economy, measured. Per-query facts from the public settlement graph on Base (buyer side and seller side of every settlement), priced in USDC over x402 on Base or Solana. Live: GET /v1/window — a settler-frame census of any UTC wind…
x402.freeq.one
Tool gateway: token prices, cross-chain balances and portfolio, World ID and Semaphore verification, QR codes, OG images, Mermaid and Markdown rendering, HTML to Markdown and job listings.
dmarc-lookup.underscoredone.com
Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your domain. For each doma…
ffpipe.dev
Video conversion for agents: any video to web-ready MP4 from a source URL or direct upload, $0.05 USDC per job over x402 on Base mainnet. Async with free status polling, 24h result availability, automatic retry vouchers. Remote MCP server a…
oracle.cyberwarex.com
Is this token safe to trade? Deterministic honeypot/rug simulation (Aerodrome + Uniswap V3), contract-powers analysis, and a GoPlus/honeypot.is cross-check on Base & BSC. Grade A-F. Pay-per-call via x402 (USDC on Base).
win.oneshotagent.com
Agent tools marketplace: browser and research tools, company and person enrichment, email sending, LinkedIn actions and compute. Third-party sellers on the marketplace are paid through the same address.
api.wallettriage.com
Real-time wallet risk engine for AI agents. One x402-paid GET answers "how risky is this address right now?" — the wallet's active ERC20 approvals cross-referenced with a live exploit threat feed (contracts under attack now), returning r…
agent.kihustle.tech
The DACH compliance layer for x402 agents: Impressum/imprint, BFSG, DSGVO, cookie, outreach micros + content packs. USDC on Base.